Fontana Courthouse - Fon010
Office in California, CA · 17780 Arrow Blvd, Fontana · 92335
At a glance
Fontana Courthouse - Fon010 is a 96,186-square-foot office building at 17780 Arrow Blvd, Fontana in Fontana, California, built in 1973. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 69.6 kBtu/ft² and 439 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 69.6 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 439 tCO₂e |
| GHG intensity | 4.6 kgCO₂e/ft² |
| Electricity | 1,523,418 kWh |
| Natural gas | 17,708 therms |
| Gross floor area | 96,186 sq ft |
| Source record | california:6366879:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 69.6 kBtu/ft² | 439 tCO₂e | |
| 2023 | — | 71.2 kBtu/ft² | 455 tCO₂e | |
| 2022 | — | 70.3 kBtu/ft² | 420 tCO₂e |
Compliance context
AB 802 (Public Resources Code §25402.10)
AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 17780 Arrow Blvd, Fontana
- City
- California
- State
- California
- ZIP
- 92335
- Coordinates
- 34.10039, -117.41634
Within ~1 km
Nearby benchmarked buildings
- Ted J. Porter Elementary Schoolscore 94
K-12 School · 74,097 sq ft
- 36-C1 Fontana Courthousescore —
Courthouse · 60,997 sq ft
See also: most efficient in California · biggest emitters
How does Fontana Courthouse - Fon010 compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Its site EUI of 69.6 kBtu/ft² is about 23% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 4.6 kgCO₂e/ft² is about 27% above the group average of 3.6 kgCO₂e/ft².
At 96,186 sq ft, it is about 37% below the average floor area of 151,937 sq ft for those buildings. It was built in 1973, 12 years earlier than the group's average year built (1985). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has Fontana Courthouse - Fon010's energy performance changed over time?
BuildingCensus holds 3 California disclosures for Fontana Courthouse - Fon010, covering report years 2022–2024. Site EUI moved from 70.3 kBtu/ft² (2022) to 69.6 kBtu/ft² (2024), a 1% decrease. Reported emissions went from 420 tCO₂e to 439 tCO₂e over the same span (up 5%).
What does a site EUI of 69.6 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Fontana Courthouse - Fon010's 69.6 kBtu/ft² across 96,186 sq ft works out to about 6.7 billion Btu (1,962 MWh-equivalent) in 2024. The disclosure also reports 1,523,418 kWh of electricity and 17,708 therms of natural gas for the year.
Which law requires Fontana Courthouse - Fon010 to report its energy use?
Fontana Courthouse - Fon010 reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record california:6366879:2024). AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
More office buildings in California
- 150 Hayes Street· 96,133 sq ft · score 70 (B)
- Entrada Gateway· 96,115 sq ft · score 93 (A)
- 199460_San Jose Main· 96,082 sq ft · score 75 (B)
- 450 Newport Center· 96,079 sq ft · score 81 (B)
- 2235 Iron Point Road - Opi· 96,022 sq ft · score 2 (D)
- San Leandro Business Center - 555 Mccormick· 96,001 sq ft · EUI 33.2 kBtu/ft²
- Office buildings in California· 6,214 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is Fontana Courthouse - Fon010's energy grade?
Fontana Courthouse - Fon010 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 69.6 kBtu/ft².
How much energy does Fontana Courthouse - Fon010 use?
Its 2024 site energy-use intensity was 69.6 kBtu/ft² across 96,186 sq ft, including 1,523,418 kWh of electricity and 17,708 therms of natural gas.
What are Fontana Courthouse - Fon010's carbon emissions?
Fontana Courthouse - Fon010 reported 439 tCO₂e of greenhouse-gas emissions (4.6 kgCO₂e/ft²) for 2024.
Where is Fontana Courthouse - Fon010?
Fontana Courthouse - Fon010 is at 17780 Arrow Blvd, Fontana, in Fontana, California 92335. Its coordinates are 34.10039, -117.41634 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Fontana Courthouse - Fon010 and when was it built?
Fontana Courthouse - Fon010 has 96,186 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1973 as its year built. It is classed as office.
Is Fontana Courthouse - Fon010 covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2024 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
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About this data
Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Fontana Courthouse - Fon010, Fontana, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/fontana-courthouse-fon010-db2a4b54 (data as of July 9, 2026).